The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 2006
Filed:
Feb. 01, 2005
Applicants:
Wayne R. Duprez, Waltham, MA (US);
Ken Zhao, West Roxbury, MA (US);
Inventors:
Wayne R. Duprez, Waltham, MA (US);
Ken Zhao, West Roxbury, MA (US);
Assignee:
Standard-Thomson Corporation, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 25/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A positive crankcase ventilation valve includes a flow restrictor movable in an orifice to vary flow of fumes from a crankcase to an intake manifold in a vehicle. The valve also includes a wax motor for moving the flow restrictor in the orifice.